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|00000470| 0a 0a 41 42 4f 55 54 20 | 54 48 49 53 20 50 4f 53 |..ABOUT |THIS POS|
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|00000490| 2d 2d 2d 2d 2d 2d 2d 0a | 54 68 69 73 20 69 73 20 |-------.|This is |
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|000004e0| 67 72 61 6d 20 66 6f 72 | 20 70 75 62 6c 69 63 20 |gram for| public |
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|00000520| 61 73 0a 77 72 69 74 74 | 65 6e 20 61 6e 64 20 77 |as.writt|en and w|
|00000530| 69 6c 6c 20 62 65 20 6d | 61 69 6e 74 61 69 6e 65 |ill be m|aintaine|
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|00000610| 72 69 70 65 6d 2e 0a 0a | 44 49 53 43 4c 41 49 4d |ripem...|DISCLAIM|
|00000620| 45 52 0a 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 0a 4e 6f |ER.-----|-----.No|
|00000630| 74 68 69 6e 67 20 69 6e | 20 74 68 69 73 20 46 41 |thing in| this FA|
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|00000850| 0a 4c 49 53 54 20 4f 46 | 20 51 55 45 53 54 49 4f |.LIST OF| QUESTIO|
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|00000870| 2d 2d 2d 2d 0a 31 29 20 | 20 57 68 61 74 20 69 73 |----.1) | What is|
|00000880| 20 52 49 50 45 4d 3f 0a | 32 29 20 20 48 6f 77 20 | RIPEM?.|2)  How |
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|000008a0| 0a 33 29 20 20 57 69 6c | 6c 20 52 49 50 45 4d 20 |.3)  Wil|l RIPEM |
|000008b0| 72 75 6e 20 6f 6e 20 6d | 79 20 6d 61 63 68 69 6e |run on m|y machin|
|000008c0| 65 3f 0a 34 29 20 20 57 | 69 6c 6c 20 52 49 50 45 |e?.4)  W|ill RIPE|
|000008d0| 4d 20 77 6f 72 6b 20 77 | 69 74 68 20 6d 79 20 6d |M work w|ith my m|
|000008e0| 61 69 6c 65 72 3f 0a 35 | 29 20 20 57 68 61 74 20 |ailer?.5|)  What |
|000008f0| 69 73 20 52 53 41 3f 0a | 36 29 20 20 57 68 61 74 |is RSA?.|6)  What|
|00000900| 20 69 73 20 44 45 53 3f | 0a 37 29 20 20 57 68 61 | is DES?|.7)  Wha|
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|00000920| 6e 74 2c 20 6c 69 6b 65 | 20 4d 44 35 3f 0a 38 29 |nt, like| MD5?.8)|
|00000930| 20 20 57 68 61 74 20 69 | 73 20 50 45 4d 3f 0a 39 |  What i|s PEM?.9|
|00000940| 29 20 20 57 68 61 74 27 | 73 20 74 68 69 73 20 61 |)  What'|s this a|
|00000950| 62 6f 75 74 20 64 69 73 | 74 72 69 62 75 74 69 6e |bout dis|tributin|
|00000960| 67 20 61 6e 64 20 61 75 | 74 68 65 6e 74 69 63 61 |g and au|thentica|
|00000970| 74 69 6e 67 20 6b 65 79 | 73 3f 0a 31 30 29 20 20 |ting key|s?.10)  |
|00000980| 49 73 6e 27 74 20 69 74 | 20 61 20 62 61 64 20 69 |Isn't it| a bad i|
|00000990| 64 65 61 20 74 6f 20 75 | 73 65 20 70 61 74 65 6e |dea to u|se paten|
|000009a0| 74 65 64 20 61 6c 67 6f | 72 69 74 68 6d 73 20 69 |ted algo|rithms i|
|000009b0| 6e 20 73 74 61 6e 64 61 | 72 64 73 20 6c 69 6b 65 |n standa|rds like|
|000009c0| 20 50 45 4d 3f 0a 31 31 | 29 20 20 57 68 61 74 20 | PEM?.11|)  What |
|000009d0| 61 62 6f 75 74 20 52 53 | 41 44 53 49 2f 50 4b 50 |about RS|ADSI/PKP|
|000009e0| 3f 0a 31 32 29 20 20 57 | 68 79 20 64 6f 20 61 6c |?.12)  W|hy do al|
|000009f0| 6c 20 52 49 50 45 4d 20 | 70 75 62 6c 69 63 20 6b |l RIPEM |public k|
|00000a00| 65 79 73 20 6c 6f 6f 6b | 20 76 65 72 79 20 73 69 |eys look| very si|
|00000a10| 6d 69 6c 61 72 3f 0a 31 | 33 29 20 20 57 68 61 74 |milar?.1|3)  What|
|00000a20| 20 69 73 20 50 47 50 3f | 0a 31 34 29 20 20 57 68 | is PGP?|.14)  Wh|
|00000a30| 61 74 20 61 62 6f 75 74 | 20 52 50 45 4d 3f 0a 31 |at about| RPEM?.1|
|00000a40| 35 29 20 20 57 68 61 74 | 20 69 73 20 4d 49 4d 45 |5)  What| is MIME|
|00000a50| 3f 0a 31 36 29 20 20 57 | 68 61 74 20 69 73 20 54 |?.16)  W|hat is T|
|00000a60| 49 53 2f 50 45 4d 3f 0a | 0a 51 55 45 53 54 49 4f |IS/PEM?.|.QUESTIO|
|00000a70| 4e 53 20 41 4e 44 20 41 | 4e 53 57 45 52 53 0a 2d |NS AND A|NSWERS.-|
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|00000a90| 2d 2d 2d 2d 0a 0a 31 29 | 20 20 57 68 61 74 20 69 |----..1)|  What i|
|00000aa0| 73 20 52 49 50 45 4d 3f | 0a 0a 20 52 69 6f 72 64 |s RIPEM?|.. Riord|
|00000ab0| 61 6e 27 73 20 49 6e 74 | 65 72 6e 65 74 20 50 72 |an's Int|ernet Pr|
|00000ac0| 69 76 61 63 79 20 45 6e | 68 61 6e 63 65 64 20 4d |ivacy En|hanced M|
|00000ad0| 61 69 6c 20 28 52 49 50 | 45 4d 29 20 69 73 20 61 |ail (RIP|EM) is a|
|00000ae0| 20 28 6e 6f 74 20 79 65 | 74 0a 20 63 6f 6d 70 6c | (not ye|t. compl|
|00000af0| 65 74 65 2c 20 62 75 74 | 20 75 73 65 66 75 6c 29 |ete, but| useful)|
|00000b00| 20 69 6d 70 6c 65 6d 65 | 6e 74 61 74 69 6f 6e 20 | impleme|ntation |
|00000b10| 6f 66 20 50 72 69 76 61 | 63 79 20 45 6e 68 61 6e |of Priva|cy Enhan|
|00000b20| 63 65 64 20 4d 61 69 6c | 20 28 50 45 4d 29 2e 0a |ced Mail| (PEM)..|
|00000b30| 20 52 49 50 45 4d 20 61 | 6c 6c 6f 77 73 20 79 6f | RIPEM a|llows yo|
|00000b40| 75 72 20 65 6c 65 63 74 | 72 6f 6e 69 63 20 6d 61 |ur elect|ronic ma|
|00000b50| 69 6c 20 74 6f 20 68 61 | 76 65 20 74 68 65 20 66 |il to ha|ve the f|
|00000b60| 6f 75 72 20 73 65 63 75 | 72 69 74 79 0a 20 66 61 |our secu|rity. fa|
|00000b70| 63 69 6c 69 74 69 65 73 | 20 70 72 6f 76 69 64 65 |cilities| provide|
|00000b80| 64 20 62 79 20 50 45 4d | 3a 20 64 69 73 63 6c 6f |d by PEM|: disclo|
|00000b90| 73 75 72 65 20 70 72 6f | 74 65 63 74 69 6f 6e 20 |sure pro|tection |
|00000ba0| 28 6f 70 74 69 6f 6e 61 | 6c 29 2c 0a 20 6f 72 69 |(optiona|l),. ori|
|00000bb0| 67 69 6e 61 74 6f 72 20 | 61 75 74 68 65 6e 74 69 |ginator |authenti|
|00000bc0| 63 69 74 79 2c 20 6d 65 | 73 73 61 67 65 20 69 6e |city, me|ssage in|
|00000bd0| 74 65 67 72 69 74 79 20 | 6d 65 61 73 75 72 65 73 |tegrity |measures|
|00000be0| 2c 20 61 6e 64 0a 20 6e | 6f 6e 2d 72 65 70 75 64 |, and. n|on-repud|
|00000bf0| 69 61 74 69 6f 6e 20 6f | 66 20 6f 72 69 67 69 6e |iation o|f origin|
|00000c00| 20 28 61 6c 77 61 79 73 | 29 2e 20 20 28 53 65 65 | (always|).  (See|
|00000c10| 3a 20 22 57 68 61 74 20 | 69 73 20 50 45 4d 3f 22 |: "What |is PEM?"|
|00000c20| 29 0a 0a 20 52 49 50 45 | 4d 20 77 61 73 20 77 72 |).. RIPE|M was wr|
|00000c30| 69 74 74 65 6e 20 70 72 | 69 6d 61 72 69 6c 79 20 |itten pr|imarily |
|00000c40| 62 79 20 4d 61 72 6b 20 | 52 69 6f 72 64 61 6e 20 |by Mark |Riordan |
|00000c50| 3c 6d 72 72 40 73 63 73 | 73 33 2e 63 6c 2e 6d 73 |<mrr@scs|s3.cl.ms|
|00000c60| 75 2e 65 64 75 3e 2e 0a | 20 4d 6f 73 74 20 6f 66 |u.edu>..| Most of|
|00000c70| 20 74 68 65 20 63 6f 64 | 65 20 69 73 20 69 6e 20 | the cod|e is in |
|00000c80| 74 68 65 20 70 75 62 6c | 69 63 20 64 6f 6d 61 69 |the publ|ic domai|
|00000c90| 6e 2c 20 65 78 63 65 70 | 74 20 66 6f 72 20 74 68 |n, excep|t for th|
|00000ca0| 65 20 52 53 41 20 72 6f | 75 74 69 6e 65 73 2c 0a |e RSA ro|utines,.|
|00000cb0| 20 77 68 69 63 68 20 61 | 72 65 20 61 20 6c 69 62 | which a|re a lib|
|00000cc0| 72 61 72 79 20 63 61 6c | 6c 65 64 20 52 53 41 52 |rary cal|led RSAR|
|00000cd0| 45 46 20 6c 69 63 65 6e | 73 65 64 20 66 72 6f 6d |EF licen|sed from|
|00000ce0| 20 52 53 41 20 44 61 74 | 61 20 53 65 63 75 72 69 | RSA Dat|a Securi|
|00000cf0| 74 79 20 49 6e 63 2e 0a | 0a 20 54 68 65 20 63 75 |ty Inc..|. The cu|
|00000d00| 72 72 65 6e 74 20 76 65 | 72 73 69 6f 6e 20 6f 66 |rrent ve|rsion of|
|00000d10| 20 52 49 50 45 4d 20 69 | 73 20 31 2e 31 61 3b 20 | RIPEM i|s 1.1a; |
|00000d20| 74 68 65 20 63 75 72 72 | 65 6e 74 20 76 65 72 73 |the curr|ent vers|
|00000d30| 69 6f 6e 20 6f 66 20 74 | 68 65 0a 20 4d 61 63 69 |ion of t|he. Maci|
|00000d40| 6e 74 6f 73 68 20 70 6f | 72 74 20 6f 66 20 52 49 |ntosh po|rt of RI|
|00000d50| 50 45 4d 20 69 73 20 30 | 2e 38 62 31 2e 0a 0a 32 |PEM is 0|.8b1...2|
|00000d60| 29 20 20 48 6f 77 20 63 | 61 6e 20 49 20 67 65 74 |)  How c|an I get|
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|00001e00| 20 52 49 50 45 4d 20 75 | 73 65 73 20 62 6f 74 68 | RIPEM u|ses both|
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|00002580| 20 57 68 61 74 20 69 73 | 20 50 45 4d 3f 0a 0a 20 | What is| PEM?.. |
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|00002780| 20 4d 61 63 69 6e 74 6f | 73 68 20 76 65 72 73 69 | Macinto|sh versi|
|00002790| 6f 6e 2e 0a 0a 20 41 20 | 67 6f 6f 64 20 74 65 63 |on... A |good tec|
|000027a0| 68 6e 69 63 61 6c 20 69 | 6e 74 72 6f 64 75 63 74 |hnical i|ntroduct|
|000027b0| 69 6f 6e 20 74 6f 20 50 | 45 4d 20 69 73 20 69 6e |ion to P|EM is in|
|000027c0| 20 74 68 65 20 41 75 67 | 75 73 74 20 31 39 39 33 | the Aug|ust 1993|
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|000027f0| 65 20 41 43 4d 5f 20 28 | 56 6f 6c 2e 20 33 38 2c |e ACM_ (|Vol. 38,|
|00002800| 20 4e 6f 2e 20 38 2c 20 | 70 61 67 65 20 34 38 2e | No. 8, |page 48.|
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|00002850| 20 46 6f 72 20 61 20 72 | 65 6d 6f 74 65 20 75 73 | For a r|emote us|
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|000028c0| 20 63 6f 6e 66 69 72 6d | 20 74 68 61 74 20 74 68 | confirm| that th|
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|00003010| 2e 2e 2e 2e 2e 2e 2e 2e | 2e 2e 2e 2e 2e 2e 2e 2e |........|........|
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|000030f0| 2e 2e 2e 2e 2e 2e 2e 2e | 2e 2e 2e 2e 2e 2e 2e 2e |........|........|
|00003100| 2e 2e 2e 2e 2e 2e 2e 2e | 2e 2e 2e 20 4e 6f 2e 20 |........|... No. |
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|00003170| 2e 2e 2e 2e 2e 2e 2e 2e | 2e 2e 2e 2e 20 4e 6f 2e |........|.... No.|
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|00003ad0| 2a 20 52 49 50 45 4d 20 | 75 73 65 73 20 52 53 41 |* RIPEM |uses RSA|
|00003ae0| 52 45 46 2c 20 61 20 6c | 69 62 72 61 72 79 20 6f |REF, a l|ibrary o|
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|00004ba0| 20 63 61 6c 6c 65 64 20 | 54 49 53 2f 50 45 4d 2e | called |TIS/PEM.|
|00004bb0| 20 20 49 74 20 69 73 20 | 69 6e 74 65 67 72 61 74 |  It is |integrat|
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|00004c30| 20 66 74 70 2e 74 69 73 | 2e 63 6f 6d 2e 0a       | ftp.tis|.com..  |
+--------+-------------------------+-------------------------+--------+--------+